VDB
CVE-2019-17455
CVE-2019-17455
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Libntlm through 1.5 relies on a fixed buffer size for tSmbNtlmAuthRequest, tSmbNtlmAuthChallenge, and tSmbNtlmAuthResponse read and write operations, as demonstrated by a stack-based buffer over-read in buildSmbNtlmAuthRequest in smbutil.c for a crafted NTLM request.
EPSS 3.11% · 86.9th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
3.11%
86.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | libntlm | 0, 1.4-1 |
| Ubuntu:20.04:LTS | libntlm | 0, 1.5-2 |
| Ubuntu:18.04:LTS | libntlm | 0, 1.4-8 |
| Ubuntu:Pro:16.04:LTS | libntlm | 1.4-7, 0 |
Timeline
- Oct 10, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- May 14, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-17455 third-party-advisory
- https://gitlab.com/jas/libntlm/issues/2 third-party-advisory
- https://ubuntu.com/security/notices/USN-5108-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-17455 third-party-advisory
- https://ubuntu.com/security/notices/USN-5108-2 vendor-advisory